This app is mainly displayed in Japanese language.
■ this app
This is a Quiz app about common signs and symbols.
A common sign or symbol is displayed, and you will answer the name of it, or what it means.
Each of the 12 sections has 12 questions (12 X 12 =144 questions in total).
When you answer correctly, the comment button is revealed. You can push the button, and you will get further information about the mark.
You have to answer all the questions in each section to go to another section.
Japanese "DEKIRUMADE OWARANAI" means that you cannot quit until you finish answering all the questions.
You may take a long time to finish a section, but you certainly learn the basic knowledge by repetition.
■ 12 sections
3.Math:relations between A and B
6.Weather map symbols
10.Recycling symbols/Currency symbols